The Horsehead Nebula is a cloud of ionized-hydrogen in the constellation Orion. These clouds are lit from within by young, hot stars. The interstellar dust absorbs the light from part of the ionized cloud creating this beautiful contrast. Image Credit: NA
NASA has proclaimed this image the MOST amazing high definition image of Earth ever. This ‘Blue Marble’ image of the Earth was taken from the VIIRS instrument aboard NASA’s most recently launched Earth-observing satellite – Suomi NPP.
NASA’s New Horizons spacecraft closest approach to Pluto on July 2015 looked back toward the sun and captured this near-sunset view of the rugged, icy mountains and flat ice plains extending to Pluto’s horizon.